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Python division

... beginning from the first division, i.e. the leftmost one, we use floats. Extra 1: If you are trying to answer that to improve arithmetic evaluation, you should check this Extra 2: Please be careful of the following scenario: >>> a = float(1/2/3/4/5/4/3) >>> a 0.0 ...
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How do you round a float to two decimal places in jruby

...ason, see comments), so that is the better solution if you are looking for string output. – Dylan Vander Berg Aug 6 '17 at 4:33 ...
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C++ preprocessor __VA_ARGS__ number of arguments

...GS__})/sizeof(int)) Full example: #include <stdio.h> #include <string.h> #include <stdarg.h> #define NUMARGS(...) (sizeof((int[]){__VA_ARGS__})/sizeof(int)) #define SUM(...) (sum(NUMARGS(__VA_ARGS__), __VA_ARGS__)) void sum(int numargs, ...); int main(int argc, char *argv[]...
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Facebook Callback appends '#_=_' to Return URL

...h: <script type="text/javascript"> var idx=window.location.toString().indexOf("#_=_"); if (idx>0) { window.location = window.location.toString().substring(0, idx); } </script> Just be sure this to be the first tag in the head element. ...
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MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...n nItem here } } 8. 得到item的信息 TCHAR szBuf[1024]; LVITEM lvi; lvi.iItem = nItemIndex; lvi.iSubItem = 0; lvi.mask = LVIF_TEXT; lvi.pszText = szBuf; lvi.cchTextMax = 1024; m_list.GetItem(&lvi); 关于...
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How do I declare a 2d array in C++ using new?

...algorithms to do it. And the allocator "pads" each of your row arrays with extra bytes for bookkeeping and alignment. That extra space costs...well...extra space. The deallocator will also take extra time when you go to deallocate the matrix, painstakingly free-ing up each individual row allocation....
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Export and Import all MySQL databases at one time

... @jruzafa You can use -Bse "show databases" to avoid extra formatting output and thus you can remove | tr -d "| " | grep -v Database. In my export script this line is databases=`mysql -u $USER -p$PASSWORD -Bse "SHOW DATABASES;" – miquel No...
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django unit tests without a db

...ass MyDiscoverRunner(DiscoverRunner): def run_tests(self, test_labels, extra_tests=None, **kwargs): """ Run the unit tests for all the test labels in the provided list. Test labels should be dotted Python paths to test modules, test classes, or test methods. ...
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UILabel sizeToFit doesn't work with autolayout ios6

... iOS Auto Layout Demystified, this is: the way a view prefers to avoid extra padding around it's core content For us, with the UILabel, the core content is the text. Here we come to the heart of this basic scenario. We have given our text label two constraints. They conflict. One says "the he...
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Where does Console.WriteLine go in ASP.NET?

... One more little hint; if you are printing a formatted string, use Debug.Print instead of Debug.WriteLine to avoid an argument conflict (see social.msdn.microsoft.com/Forums/ar/Vsexpressvcs/thread/…). – Nicholas Riley Jan 9 '12 at 20:02 ...